Inventor · disambiguated record
Etsuji Omura
Also filed as: OMURA ETSUJI
26 granted patents·12 pending applications·296 citations·filing 1987–2024
95Inventor score
Files withMITSUBISHI ELECTRIC CORP16KYOTO SEMICONDUCTOR CO LTD13DEXERIALS CORP8MITSUBISHI PRECISION CO LTD1
Top patents by PatentIndex Score
38 records- 0192US5519720ASemiconductor light emitting deviceMITSUBISHI ELECTRIC CORP·Filed 1994·Granted May 21, 1996·145 cites·6 claims
- 0285US4937835ASemiconductor laser device and a method of producing sameMITSUBISHI ELECTRIC CORP·Filed 1989·Granted Jun 26, 1990·50 cites·15 claims
- 0372US11143827B1Light receiving element unitKYOTO SEMICONDUCTOR CO LTD·Filed 2020·Granted Oct 12, 2021·1 cites·4 claims
- 0462US12142701B2Light receiving deviceDEXERIALS CORP·Filed 2023·Granted Nov 12, 2024·0 cites·4 claims
- 0562US2024264306A1Reflective optical sensorDEXERIALS CORP·Filed 2024·Application pending·0 cites
- 0662US2024295653A1Reflective optical sensorDEXERIALS CORP·Filed 2024·Application pending·0 cites
- 0762US2024266449A1Reflective optical sensorDEXERIALS CORP·Filed 2024·Application pending·0 cites
- 0862US2024321569A1Formation method of silicon nitride filmDEXERIALS CORP·Filed 2024·Application pending·0 cites
- 0960US2024405136A1Semiconductor light receiving deviceDEXERIALS CORP·Filed 2024·Application pending·0 cites
- 1060US2024429331A1Semiconductor light receiving elementDEXERIALS CORP·Filed 2024·Application pending·0 cites
- 1157US12464854B2Optical power supply converterDEXERIALS CORP·Filed 2023·Granted Nov 4, 2025·0 cites·1 claims
- 1256US2024128385A1Light Receiving DeviceKYOTO SEMICONDUCTOR CO LTD·Filed 2023·Application pending·0 cites
- 1356US2024136451A1Light receiving deviceKYOTO SEMICONDUCTOR CO LTD·Filed 2024·Application pending·0 cites
- 1454US2023352604A1Semiconductor light receiving deviceKYOTO SEMICONDUCTOR CO LTD·Filed 2023·Application pending·0 cites
- 1553US4929571AMethod of making a buried crescent laser with air gap insulatorMITSUBISHI ELECTRIC CORP·Filed 1989·Granted May 29, 1990·9 cites·5 claims
- 1651US11843262B2Optical power supply converterKYOTO SEMICONDUCTOR CO LTD·Filed 2021·Granted Dec 12, 2023·0 cites·4 claims
- 1751US5105240ALight-controlled semiconductor light coupler and modulatorMITSUBISHI ELECTRIC CORP·Filed 1991·Granted Apr 14, 1992·17 cites·24 claims
- 1851US2023049438A1End-face incident type semiconductor light receiving deviceKYOTO SEMICONDUCTOR CO LTD·Filed 2022·Application pending·0 cites
- 1948US11276791B2Edge incident type semiconductor light receiving deviceKYOTO SEMICONDUCTOR CO LTD·Filed 2020·Granted Mar 15, 2022·0 cites·3 claims
- 2045US5073895ASemiconductor laserMITSUBISHI ELECTRIC CORP·Filed 1990·Granted Dec 17, 1991·10 cites·14 claims
- 2143US11145773B2Light receiving element unitKYOTO SEMICONDUCTOR CO LTD·Filed 2019·Granted Oct 12, 2021·0 cites·7 claims
- 2242US4788161AMethod of producing an end surface light emission type semiconductor deviceMITSUBISHI ELECTRIC CORP·Filed 1987·Granted Nov 29, 1988·7 cites·1 claims
- 2341US11356054B2Optical power supply converterKYOTO SEMICONDUCTOR CO LTD·Filed 2020·Granted Jun 7, 2022·0 cites·3 claims
- 2441US11145770B2Semiconductor light receiving elementKYOTO SEMICONDUCTOR CO LTD·Filed 2018·Granted Oct 12, 2021·0 cites·2 claims
- 2541US5228048ASemiconductor laser deviceMITSUBISHI ELECTRIC CORP·Filed 1992·Granted Jul 13, 1993·8 cites·13 claims
- 2641US5072272ASemiconductor light modulator with pn layersMITSUBISHI ELECTRIC CORP·Filed 1991·Granted Dec 10, 1991·9 cites·6 claims
- 2740US11276790B2Semiconductor light receiving elementKYOTO SEMICONDUCTOR CO LTD·Filed 2018·Granted Mar 15, 2022·0 cites·4 claims
- 2839US4888781ASemiconductor laserMITSUBISHI ELECTRIC CORP·Filed 1989·Granted Dec 19, 1989·6 cites·6 claims
- 2938US5275968AMethod of producing a semiconductor light emitting device disposed in an insulating substrateMITSUBISHI ELECTRIC CORP·Filed 1992·Granted Jan 4, 1994·6 cites·3 claims
- 3038US5100833AMethod of producing a semiconductor light emitting device disposed in an insulating substrateMITSUBISHI ELECTRIC CORP·Filed 1990·Granted Mar 31, 1992·5 cites·3 claims
- 3138US4847845ASemiconductor laser with an interposed gapMITSUBISHI ELECTRIC CORP·Filed 1987·Granted Jul 11, 1989·4 cites·8 claims
- 3238US2020168749A1Edge-incident light receiving elementKYOTO SEMICONDUCTOR CO LTD·Filed 2017·Application pending·0 cites
- 3337US5003358ASemiconductor light emitting device disposed in an insulating substrateMITSUBISHI ELECTRIC CORP·Filed 1988·Granted Mar 26, 1991·4 cites·8 claims
- 3435US5194399AMethod of producing a semiconductor light emitting device disposed in an insulating substrateMITSUBISHI ELECTRIC CORP·Filed 1991·Granted Mar 16, 1993·5 cites·3 claims
- 3534US4957879AMethod of making a semiconductor laser using superlattice disorderingMITSUBISHI ELECTRIC CORP·Filed 1989·Granted Sep 18, 1990·4 cites·14 claims
- 3632US5357124ASuperluminescent diode with stripe shaped doped regionMITSUBISHI PRECISION CO LTD·Filed 1993·Granted Oct 18, 1994·3 cites·7 claims
- 3731US4847217AMethod for making a semiconductor deviceMITSUBISHI ELECTRIC CORP·Filed 1988·Granted Jul 11, 1989·3 cites·4 claims
- 3831US2021083131A1End surface incident-type light receiving elementKYOTO SEMICONDUCTOR CO LTD·Filed 2017·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →